/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsEditorOnlyExp/Public/SkeletalMesh/SkinWeightsPaintTool.h
Data required to preview the skinning deformations as you paint
struct FSkinToolDeformer
TArray<FName>
BoneNames
Bone index to bone name
TMap<FName,Bo...
BoneNameToIndexMap
constUSkeletal...
Component
The skeletal mesh to get the current pose from
TArray< FTransf...
InvCSRefPoseTransforms
Inverted, component space ref pose transform of each bone
TArray< FVector...
RefPoseVertexPositions
Position of all vertices in the reference pose
TSet< int32 >
VerticesWithModifiedWeights
Which vertices require updating (partially re-calculated skinning deformation while painting)